{"type":"rich","version":"1.0","title":"checking nested arrays for duplicates","author_name":"tpiecora","author_url":"https://plnkr.co/users/tpiecora","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_x5BpxbM9efvHcqENsDxR\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/x5BpxbM9efvHcqENsDxR?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/x5BpxbM9efvHcqENsDxR.png?d=2015-04-17T19%3A30%3A28.720Z","thumbnail_width":400,"thumbnail_height":300}